HTTP Archive's annual
state of the web report
Part I: Page Content
We measured not only how many pages use a given CSS feature, but also how they use it.
content,footer, and header
of <length> values
use the px unit.
Most Popular IDs
<script> element is the 6th most popular HTML element in use.
Let’s take a closer look at how much script we use, how we use it, and what the fallout is.
Number of external vs. inline scripts per page.
How is HTML used? We analyzed 7.5 million pages on desktop and mobile. Here is what we’ve learned.
Average document size
The most popular elements.
of pages have button elements.
of pages have at least one button that fails to specify a type attribute.
We'll dive into data to show how web fonts are being used, and in particular how they're optimized.
Web font usage
Web font usage has been growing steadily over time. Usage increased roughly linearly from 0% around 2010 to 80% now
Percentage of requests
Most popular web fonts on mobile
FontAwesome: 36 %
Open Sans: 25 %
Roboto: 23 %
(used on about 10 % of web pages)
Images, animations, and videos are an important part of the web experience. Let's have a look at how they are used.
of web pages use the
images are using
Websites that autoplay video files
We will review the prevalence of third-party content and its impact on page weight, browser CPU time, and other performance indicators.
6. Third Parties
of all pages had at least one piece of third-party content.
of third-party content
Images (38 %)
Median page with advertising:
Median page without advertising:
CPU load time